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NIACIN
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
Synonyms:
Classified under:
Hypernyms ("niacin" is a kind of...):
B; B-complex vitamin; B complex; B vitamin; vitamin B; vitamin B complex (originally thought to be a single vitamin but now separated into several B vitamins)
Context examples:
Myristyl nicotinate cream contains a form of niacin (a member of the vitamin B complex).
(Myristyl nicotinate cream, NCI Dictionary)
An agonist of niacin receptors capable of mimicking niacin's ability to increase high-density lipoprotein (HDL).
(Acifran, NCI Thesaurus)
Vitamin B3, also called nicotinic acid or niacin, is a precursor to NAD (nicotinamide adenine dinucleotide), which is essential to metabolism and likely very ancient in origin.
(Vitamin B3 might have been made in space, delivered to Earth by meteorites, NASA)
His team reviewed supplement data that included A, B1, B2, B3 (niacin), B6, B9 (folic acid), C, D and E; and β-carotene; calcium; iron; zinc; magnesium; and selenium.
(Most Popular Supplements Provide No Health Benefit, The Titi Tudorancea Bulletin)
B vitamins include thiamine, riboflavin, niacin (nicotinic acid), niacinamide (nicotinamide), the vitamin B6 group (including pyridoxine, pyridoxal, pyridoxamine), biotin, pantothenic acid, folic acid, and possibly para-aminobenzoic.
(B Vitamin, NCI Thesaurus)
In the body clofibrate and niacin separate, acting as a controlled-release formulation.
(Etofibrate, NCI Thesaurus)
This species is acid fast, does not grow on MacConkey agar, catalase, urease and niacin positive, and negative for nitrite reduction and Tween 80 hydrolysis.
(Mycobacterium simiae, NCI Thesaurus)
This species is acid fast, nonmotile with optimum growth on Lowenstein-Jensen medium, urease and catalase positive, niacin and nitrate negative, and produces pigment when cultured and exposed to light.
(Mycobacterium marinum, NCI Thesaurus)
Although the exact mechanism of action by which niacin lowers cholesterol is not fully understood, it may act by inhibiting the synthesis of very low density lipoproteins (VLDL), inhibiting the release of free fatty acids from adipose tissue, increasing lipoprotein lipase activity, and reducing the hepatic synthesis of VLDL-C and LDL-C.
(Niacin, NCI Thesaurus)
Nutritional supplement drink (pediatric) contains vitamins and minerals such as vitamin A, vitamin C, D, E and K, calcium, iron, thiamin, riboflavin, niacin, folate, vitamin B6, vitamin B12, pantothenic acid, biotin, phosphorus, iodine, magnesium, zinc, selenium, copper, manganese, chromium, molybdenum, chloride and choline.
(Pediatric Nutritional Supplement Drink, NCI Thesaurus)
